graph8 pricing and alternatives: cached email verification API

graph8's site llms.txt Best cached email verification API in 2026

33% complete: 2 of the 6 key fields we checkSee the 6 fields

$0.00per 1,000 emails

Plan: Free one of graph8's 5 plans

Call: POST /enrichment/verify-email graph8's only call

POST /enrichment/verify-emailFree$0.00 per 1,000

About this item

Stored. graph8 may skip the mail server and answer from data it keeps. graph8 doesn't say how old the data is.
2 of the 6 key fields we check. Address, Deliverability.
Nothing to pay. You get 250 credits a month.
One call. You send email to POST /enrichment/verify-email. The call returns whether the address takes mail.
Who can get it: with conditions. Keep data: with conditions. Use data: with conditions.

graph8: cached email verification API alternatives

We list other providers' plans closest to this plan in price per 1,000 emails. Each plan in the table gives stored data, not live data, like this plan.

	This plangraph8, free	KaijuVerifier, free, Free, POST /api/v1/jobs	Strale, free, trial credits, POST /v1/do, Bulk Email Validation	APIVerve, free	Botoi, free, Free, POST /v1/disposable-email/check	FirstSales, free
$ per 1,000	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Completeness	33%	50%	50%	50%	50%	33%
Billing	free	free	free	free	free	free
Pay	$0	$0	$0	$0	$0	$0
Enough for	not published	100 results a month	not published	10 calls a month	1,000 calls a day	not published
Freshness	stored	stored	stored	stored (MX valid, MX record, null MX, can receive mail, has SPF, has DMARC: live)	stored	stored
Who can get it	verified companies with a work email (personal addresses such as Gmail are not accepted), for internal business purposes	anyone	anyone who signs up, one trial credit per email address	anyone 13 or over (under 18 only with the permission of a parent or legal guardian)	anyone 18 or older	anyone at least 18 years old, for B2B commercial use only

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-22.

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

Address
Deliverability
Confidence, not in the answer
Name, not in the answer
Place, not in the answer
Company, not in the answer

Price
$ per 1,000	$0.00
Billing	free

Aggregators
Aggregators	none

Charges
Also pays for	from the same budget: POST /enrichment/enrich · POST /sequences/{id}/contacts · POST /campaigns/{id}/launch · POST /appointments/bookings

Not found
$ per 1,000	$0.00

In their words
Their pitch	Verify a single email address and check its deliverability status.

Data
Freshness	stored
Keep data	during the Subscription Period [...] Customer will: (a) cease all use of the Data Products and, upon request, return or destroy all copies [...] Customer may retain and perpetually use any B2B Contact Data [...] that was (i) identified and used for a specific campaign, (ii) for which any applicable Fees or credits were paid by Customer, and (iii) exported to Customer's data warehouse instance
Use data	solely for Customer's internal business purposes during the Subscription Period [...] Customer may use the Data Products for marketing, sales, and other business activities as explicitly permitted by this Agreement. b) Customer is not allowed to resell the Data Products or provide the Data Products to third parties [...] Customer shall not sell, rent, lease, sublicense, distribute, or otherwise provide the Data Products to any third party. Reselling of data in any form is strictly prohibited [...] Customer must comply with all applicable data protection laws and regulations in relation to the use of the Data Products, including obtaining necessary consents from individuals where required. b) Customer is required to follow GDPR regulations, and in the US, CCPA and other required regulations on a federal and state level [...] b) Data should only be exported to authorized and vetted third-party connections, including Snowflake and other data pipeline providers. Customer should check with Provider for approved vendors. c) Customer shall maintain the confidentiality of the Data Products and shall not disclose them to any third party except as necessary for its permitted use under this Agreement

Plan
Pay	$0
You get	250 credits a month

Rate limit
Per second	16.67
Batch	1

Speed
Answer	in the call
Median	0.82 s

The call
You send	email
Method	POST
Path	/enrichment/verify-email

About the plan
Plan	Free
Who can get it	verified companies with a work email (personal addresses such as Gmail are not accepted), for internal business purposes

The 4 fields the plan's answer can hold

email, status, sub-status, is valid